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src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000839493712307/6370008394937123075036652.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="38csjvc" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000839493712307/6370008394937123075036652.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ml7k4qx" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>低ENB 錦湖EPDM,錦湖</p><p><span>***更新：</span>2021-01-18 08:03:22</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ftvctfm" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海君宜化工銷售中心（有限合伙）</a></p><p><span>聯(lián)系人：</span>蘇剛</p><p><span>郵箱: </span>sg@estrongchem.com</p><p><span>電話: </span>13524989551</p><p><span>傳真: </span>021_60823996 </p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-60826029</p><p><span>地址: </span>上海市浦東新區(qū)五星路676弄萬科御河10棟</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="7xo3rip" class="page-proshow02"><p class="title">詳細說明</p><div id="v8eqmyk" class="box"><p><p style="text-indent:25px">氫化丁腈橡膠(HNBR)是一種綜合性能極好、極具發(fā)展?jié)摿Φ奶胤N橡膠，低ENB 錦湖EPDM。氫化丁腈橡膠（HNBR）與腈橡膠（NBR）相比，其分子主鏈上的碳-碳雙鍵（C=C）少，化學(xué)結(jié)構(gòu)穩(wěn)定，具有優(yōu)異的耐油、耐腐蝕，耐低溫、耐高溫，低ENB 錦湖EPDM、耐熱氧老化、耐動態(tài)疲勞和耐臭氧性能，可耐150～170℃高溫，其耐寒性能優(yōu)于氟橡膠，耐酸性汽油是普通丁腈橡膠(NBR)的5倍多，耐磨性比普通NBR提高50%以上，低ENB 錦湖EPDM，熱降解溫度隨著氫化度的提高而提高，比NBR高30～40℃，其優(yōu)異的耐新型制冷劑、耐硫化氫性能更是無以倫比。因而，它作為高性能膠管、膠帶、密封和減震零部件、膠輥、特殊電線電纜等制品的材料，在高鐵、航空、新能源、汽車、石油等重大工業(yè)領(lǐng)域，具有其他材料無法替代的作用。加入適宜防老劑可提高其使用溫度。低ENB 錦湖EPDM</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="低ENB 錦湖EPDM,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000839493712307/6370008394937123075036652.JPG"></div><p> EPDM電纜上的應(yīng)用 </p> <p> 電線電纜上主要用于民用和商用建筑的輸入線、建筑用電線、礦用電纜、核電站用電線、風(fēng)能用線、汽車點火線、控制及信號電纜。ＩＥＣ標準規(guī)定，分體空調(diào)機連接電纜不得再使用塑料絕緣電纜，一方面是為了增加柔軟性，同時耐老化性和安全可靠性。近幾年來，國內(nèi)對橡皮絕緣電線電纜的需求又異乎尋常地多起來，主要是低壓產(chǎn)品，而１ＫＶ以上的橡皮絕緣電纜，除了船用電纜和礦用電纜以外，電力電纜方面則還是極少。現(xiàn)代國外中高壓橡皮絕緣電纜主要是采用乙丙橡膠絕緣，意大利的乙丙膠絕緣電纜早已做到１５０ｋＶ，１５ｋＶ乙丙膠絕緣電纜已經(jīng)是美國**主流品種。而我國在這個產(chǎn)品上還是相當落后，船舶及機械產(chǎn)品出口量的增加，要求船用電纜及潤滑油等的標準必須與國際接軌而增加了乙丙橡膠用量。低ENB 錦湖EPDM三元乙丙橡膠是乙烯、丙烯和少量的非共軛二烯烴的共聚物。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="低ENB 錦湖EPDM,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841433872982/6370008414338729827523294.JPG"></div><p> EPDM生膠選擇原則 </p> <p> 良好填充性：高門尼粘度，高乙烯含量 </p> <p> 開煉機容易包輥不粘輥：分子量分布寬一些，比較好是充油的牌號 </p> <p> 密煉機混煉性能優(yōu)異：生膠選擇范圍較寬；在填充容量方面：低硬度膠料可以多填充5~10%，高硬度膠料少填充5~10%。 </p> <p> 容易擠出喂料：選擇高乙烯含量 </p> <p> 擠出和壓延速度快：高乙烯含量，分子量分布寬一些 </p> <p> 擠出時口型膨脹低：門尼粘度不宜過高 </p> <p> 抗塌陷性好：高門尼粘度，高乙烯含量 </p> <p> 與金屬、纖維等粘合性好：低乙烯含量，低充油量，中~高ENB含量 </p> <p> 沖模（流動）性好：門尼粘度和ENB含量不宜過高 </p> <p> 與IIR并用：低ENB含量牌號 </p> <p> 與二烯烴類橡膠并用：高ENB含量牌號 </p> <p> 海綿發(fā)泡：高門尼粘度、充油品級、高ENB含量 </p> <p> 低硬度：充油牌號，高門尼粘度，中~高乙烯含量 </p> <p> 高硬度：高乙烯含量，低門尼粘度 </p> <p> **度，高抗撕:高門尼粘度 </p> <p> 低壓縮長久變形:高門尼粘度，中高ENB含量 </p> <p> 低溫性能：低乙烯含量，中等ENB含量 </p> <p> 室溫~高溫：高門尼，高ENB含量 </p> <p> 高回彈性能：低乙烯含量，中~高門尼粘度，中~高ENB含量 </p> <p> 耐熱性：低充油量，低ENB含量 </p> <p> 耐油性：高門尼粘度，高乙烯含量，高ENB含量 </p><p> 乙丙膠與高不飽和膠種并用一： </p> <p> 在兩種橡膠并用時影響共硫化的因素有橡膠相的混合性，兩種橡膠的硫化特性及配合劑的分散性，據(jù)知，三元乙丙膠與丁苯膠、天然橡膠或聚丁二烯膠等并用時，分散狀態(tài)為微觀不均勻分散，與硫化體系無關(guān)。但ＮＲ／ＳＢＲ、ＮＲ／聚丁二烯并用體系同ＥＰＤＭ并用體系的摻和狀態(tài)基本上都是相同的。因而分散狀態(tài)并不是一個太大的問題，問題在于硫化特性方面，決定因素為橡膠的硫化速度和硫化程度，當采用硫化體系時還決定于雙鍵的數(shù)量、位置和分布，此外，還決定于ＥＰＤＭ第三單體的種類。 </p> <p> 當三元乙丙膠并用少量不飽和橡膠時強度比較低，其原因在于兩種橡膠的硫化速度不同，二烯類橡膠先行硫化，而ＥＰＤＭ卻還停留在未硫化狀態(tài)，因此，為要提高共硫化性，研究一下如何提高ＥＰＤＭ含量大的膠料的強度是有意義的。過氧化物硫化膠有較好熱穩(wěn)定性和耐壓縮長久變形性,硫化速度慢,抗撕裂性能和其他性能均較差,氣味不佳。</p> <span style="display:none;"></span><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="低ENB 錦湖EPDM,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000839581671305/6370008395816713052558776.JPG"></div><p> 三元乙丙橡膠是乙烯、丙烯和少量的非共軛二烯烴的共聚物，是乙丙橡膠的一種，以EPDM（EthylenepyleneDieneMonomer）表示，因其主鏈是由化學(xué)穩(wěn)定的飽和烴組成，只在側(cè)鏈中含有不飽和雙鍵，故其耐臭氧、耐熱、耐候等耐老化性能優(yōu)異，可***用于汽車部件、建筑用防水材料、電線電纜護套、耐熱膠管、膠帶、汽車密封件等領(lǐng)域。三元乙丙橡膠是乙烯、丙烯以及非共軛二烯烴的三元共聚物，1963年開始商業(yè)化生產(chǎn)。每年全世界的消費量是80萬噸。EPDM**主要的特性就是其優(yōu)越的耐氧化、抗臭氧和抗侵蝕的能力。由于三元乙丙橡膠屬于聚烯(PA66)烴家族，它具有極好的硫化特性。在所有橡膠當中，EPDM具有比較低的比重。它能吸收大量的填料和油而影響特性不大。因此可以制作成本低廉的橡膠化合物。乙丙橡膠為非結(jié)晶橡膠，其抗疲勞性能尤其是抗龜裂增長不是很好。與ＳＢＲ相當。錦湖三元乙丙膠 KEP-1030F</p><p style="text-indent:25px">因此使用橡膠產(chǎn)品要求性能上年然而，在不能準確把任何時候添加材料，都可能成為泄漏、起霜等負面因素。低ENB 錦湖EPDM</p><p> 8.EPDM粘貼成型EPDM缺少活性基團，內(nèi)聚能低，分子鏈段擴散性極小，加上膠料容易噴霜，給粘貼成型工藝，尤其是制造多層結(jié)構(gòu)的制品如輪胎胎側(cè)、輸送帶、屋頂材料、膠輥、襯里等帶來較大的困難。一般可以采?。?）保持需粘合表面新鮮不被污染或用化學(xué)溶液或溶劑處理需粘合的表面；2）在需粘合的表面涂膠粘劑；3）提高粘合部位的溫度、壓力和平整度；4）與其它含活性基團的高聚物并用；5）在膠料中加5~10份增粘劑；6）適當提高增塑劑的用量；7）采用中間層膠或涂膠液等辦法來提高粘合力。其中比較簡單有效地提高粘合力的辦法是提高溫度和壓力。非反應(yīng)性烷基酚醛樹脂增粘效果較好，但同時也使硫化膠物理機械性能下降，如彈性下降，長久變形增大，硫化速度減慢。提高三元乙丙橡膠的粘合力除加增粘劑外，還可在膠料中加由膠粘劑RE、膠黏劑A和白炭黑或膠黏劑RH、膠黏劑A和白炭黑組成的粘合體系，其中白炭黑要選用沉淀法活性白炭黑。此法的缺點是價格較高。低ENB 錦湖EPDM</p><p style="text-indent:25px">上海君宜化工銷售中心（有限合伙）是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標，有組織有體系的公司，堅持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍圖，在上海市市轄區(qū)等地區(qū)的橡塑行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將**上海君宜化工和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2900001.html</p></div></div></div></div></div><div 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